70475569 has 2 divisors, whose sum is σ = 70475570. Its totient is φ = 70475568.

The previous prime is 70475563. The next prime is 70475593. The reversal of 70475569 is 96557407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 20250000 = 7087^2 + 4500^2 .

It is an emirp because it is prime and its reverse (96557407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70475569 - 2⁹ = 70475057 is a prime.

It is a super-2 number, since 2×70475569² = 9933611651747522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70475563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237784 + 35237785.

It is an arithmetic number, because the mean of its divisors is an integer number (35237785).

Almost surely, 2^70475569 is an apocalyptic number.

It is an amenable number.

70475569 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475569 is an equidigital number, since it uses as much as digits as its factorization.

70475569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 70475569 is about 8394.9728409328. The cubic root of 70475569 is about 413.0597364869.

The spelling of 70475569 in words is "seventy million, four hundred seventy-five thousand, five hundred sixty-nine".